Loudspeaker box



FIG. 1 is a bottom view of a loudspeaker box showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a back view thereof; and,

FIG. 7 is a front perspective view thereof. 

CLAIM The ornamental design for a loudspeaker box, as shown and described. 